my back hurts
I blame XCH's mattress, his bed
many eons ago, in another place and another time and another life, it used to be my bed. . . (well, our bed techincally, I suppose). . . and XCH slept on "my" side; now I find myself sleeping on "his" side - which is my side in reality, because it always was, ever since I owned a double bed. . .
quite how it happened, historically, that XCH ended up on my side of the bed, I don't know. . . if it happened when he first moved in with me, just after I had purchased said double bed (not with a view to him moving in, you need to understand) I must have had to have moved my alarm clock and bedside lamp and bedside table and diary and pile of books, read and unread, from left to right
(he moved in with me, you see: my space, my home, my flat, my furniture, my bed, my side. . . became ours, and - as it turns out - eventually his)
or perhaps it happened when we first moved home - I can't remember now and it doesn't really matter
it's just one of those things
like back ache